package LeetCode;

/**
 * @author VX5
 * @Title: MJC
 * @ProjectName DataStructure
 * @Description: TODO
 * @date ${DAT}21:44
 */
public class LeetCode70 {
    public static void main(String[] args) {
        System.out.println(new LeetCode70().climbStairs(3));
    }


    public int climbStairs(int n) {
        int[] dp = new int[n+1];
        dp[0] = 1;
        dp[1] = 2;
        for (int i = 2; i < dp.length; i++){
            dp[i] = dp[i-1] + dp[i-2];
        }
        return dp[n];
    }
}
